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Upgrade libsrt to v1.5.3. v5.0.183 v6.0.81 (#3808)

fix https://github.com/ossrs/srs/issues/3155
Build srt-1-fit fails with `standard attributes in middle of
decl-specifiers` on GCC 12,Arch Linux.

See https://github.com/Haivision/srt/releases/tag/v1.5.3
This commit is contained in:
Haibo Chen 2023-09-21 22:23:56 +08:00 committed by GitHub
parent f9bba0a9b0
commit c5e067fb0b
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94 changed files with 5974 additions and 6273 deletions

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@ -11,12 +11,9 @@
#ifndef INC_SRT_BUFFER_RCV_H
#define INC_SRT_BUFFER_RCV_H
#if ENABLE_NEW_RCVBUFFER
#include "buffer.h" // AvgBufSize
#include "buffer_tools.h" // AvgBufSize
#include "common.h"
#include "queue.h"
#include "sync.h"
#include "tsbpd_time.h"
namespace srt
@ -26,7 +23,7 @@ namespace srt
* Circular receiver buffer.
*
* |<------------------- m_szSize ---------------------------->|
* | |<------------ m_iMaxPosInc ----------->| |
* | |<------------ m_iMaxPosOff ----------->| |
* | | | |
* +---+---+---+---+---+---+---+---+---+---+---+---+---+ +---+
* | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 |...| 0 | m_pUnit[]
@ -45,15 +42,15 @@ namespace srt
* first_nonread_pos_:
*/
class CRcvBufferNew
class CRcvBuffer
{
typedef sync::steady_clock::time_point time_point;
typedef sync::steady_clock::duration duration;
public:
CRcvBufferNew(int initSeqNo, size_t size, CUnitQueue* unitqueue, bool bMessageAPI);
CRcvBuffer(int initSeqNo, size_t size, CUnitQueue* unitqueue, bool bMessageAPI);
~CRcvBufferNew();
~CRcvBuffer();
public:
/// Insert a unit into the buffer.
@ -77,14 +74,29 @@ public:
/// @return the number of dropped packets.
int dropAll();
/// @brief Drop the whole message from the buffer.
/// If message number is 0, then use sequence numbers to locate sequence range to drop [seqnolo, seqnohi].
/// When one packet of the message is in the range of dropping, the whole message is to be dropped.
enum DropActionIfExists {
DROP_EXISTING = 0,
KEEP_EXISTING = 1
};
/// @brief Drop a sequence of packets from the buffer.
/// If @a msgno is valid, sender has requested to drop the whole message by TTL. In this case it has to also provide a pkt seqno range.
/// However, if a message has been partially acknowledged and already removed from the SND buffer,
/// the @a seqnolo might specify some position in the middle of the message, not the very first packet.
/// If those packets have been acknowledged, they must exist in the receiver buffer unless already read.
/// In this case the @a msgno should be used to determine starting packets of the message.
/// Some packets of the message can be missing on the receiver, therefore the actual drop should still be performed by pkt seqno range.
/// If message number is 0 or SRT_MSGNO_NONE, then use sequence numbers to locate sequence range to drop [seqnolo, seqnohi].
/// A SOLO message packet can be kept depending on @a actionOnExisting value.
/// TODO: A message in general can be kept if all of its packets are in the buffer, depending on @a actionOnExisting value.
/// This is done to avoid dropping existing packet when the sender was asked to re-transmit a packet from an outdated loss report,
/// which is already not available in the SND buffer.
/// @param seqnolo sequence number of the first packet in the dropping range.
/// @param seqnohi sequence number of the last packet in the dropping range.
/// @param msgno message number to drop (0 if unknown)
/// @param actionOnExisting Should an exising SOLO packet be dropped from the buffer or preserved?
/// @return the number of packets actually dropped.
int dropMessage(int32_t seqnolo, int32_t seqnohi, int32_t msgno);
int dropMessage(int32_t seqnolo, int32_t seqnohi, int32_t msgno, DropActionIfExists actionOnExisting);
/// Read the whole message from one or several packets.
///
@ -130,9 +142,8 @@ public:
const int iRBufSeqNo = getStartSeqNo();
if (CSeqNo::seqcmp(iRBufSeqNo, iFirstUnackSeqNo) >= 0) // iRBufSeqNo >= iFirstUnackSeqNo
{
// Full capacity is available, still don't want to encourage extra packets to come.
// Note: CSeqNo::seqlen(n, n) returns 1.
return capacity() - CSeqNo::seqlen(iFirstUnackSeqNo, iRBufSeqNo) + 1;
// Full capacity is available.
return capacity();
}
// Note: CSeqNo::seqlen(n, n) returns 1.
@ -140,13 +151,14 @@ public:
}
/// @brief Checks if the buffer has packets available for reading regardless of the TSBPD.
/// A message is available for reading only if all of its packets are present in the buffer.
/// @return true if there are packets available for reading, false otherwise.
bool hasAvailablePackets() const;
/// Query how many data has been continuously received (for reading) and available for reading out
/// regardless of the TSBPD.
/// TODO: Rename to countAvailablePackets().
/// @return size of valid (continous) data for reading.
/// @return size of valid (continuous) data for reading.
int getRcvDataSize() const;
/// Get the number of packets, bytes and buffer timespan.
@ -165,11 +177,11 @@ public:
/// Parameters (of the 1st packet queue, ready to play or not):
/// @param [out] tsbpdtime localtime-based (uSec) packet time stamp including buffering delay of 1st packet or 0 if
/// none
/// @param [out] passack true if 1st ready packet is not yet acknowleged (allowed to be delivered to the app)
/// @param [out] skipseqno -1 or seq number of 1st unacknowledged pkt ready to play preceeded by missing packets.
/// @param [out] passack true if 1st ready packet is not yet acknowledged (allowed to be delivered to the app)
/// @param [out] skipseqno -1 or sequence number of 1st unacknowledged packet (after one or more missing packets) that is ready to play.
/// @retval true 1st packet ready to play (tsbpdtime <= now). Not yet acknowledged if passack == true
/// @retval false IF tsbpdtime = 0: rcv buffer empty; ELSE:
/// IF skipseqno != -1, packet ready to play preceeded by missing packets.;
/// IF skipseqno != -1, packet ready to play preceded by missing packets.;
/// IF skipseqno == -1, no missing packet but 1st not ready to play.
PacketInfo getFirstValidPacketInfo() const;
@ -185,7 +197,7 @@ public:
bool empty() const
{
return (m_iMaxPosInc == 0);
return (m_iMaxPosOff == 0);
}
/// Return buffer capacity.
@ -227,6 +239,18 @@ private:
inline int incPos(int pos, int inc = 1) const { return (pos + inc) % m_szSize; }
inline int decPos(int pos) const { return (pos - 1) >= 0 ? (pos - 1) : int(m_szSize - 1); }
inline int offPos(int pos1, int pos2) const { return (pos2 >= pos1) ? (pos2 - pos1) : int(m_szSize + pos2 - pos1); }
inline int cmpPos(int pos2, int pos1) const
{
// XXX maybe not the best implementation, but this keeps up to the rule
const int off1 = pos1 >= m_iStartPos ? pos1 - m_iStartPos : pos1 + (int)m_szSize - m_iStartPos;
const int off2 = pos2 >= m_iStartPos ? pos2 - m_iStartPos : pos2 + (int)m_szSize - m_iStartPos;
return off2 - off1;
}
// NOTE: Assumes that pUnit != NULL
CPacket& packetAt(int pos) { return m_entries[pos].pUnit->m_Packet; }
const CPacket& packetAt(int pos) const { return m_entries[pos].pUnit->m_Packet; }
private:
void countBytes(int pkts, int bytes);
@ -268,7 +292,7 @@ private:
int getTimespan_ms() const;
private:
// TODO: Call makeUnitGood upon assignment, and makeUnitFree upon clearing.
// TODO: Call makeUnitTaken upon assignment, and makeUnitFree upon clearing.
// TODO: CUnitPtr is not in use at the moment, but may be a smart pointer.
// class CUnitPtr
// {
@ -313,7 +337,7 @@ private:
int m_iStartSeqNo;
int m_iStartPos; // the head position for I/O (inclusive)
int m_iFirstNonreadPos; // First position that can't be read (<= m_iLastAckPos)
int m_iMaxPosInc; // the furthest data position
int m_iMaxPosOff; // the furthest data position
int m_iNotch; // the starting read point of the first unit
size_t m_numOutOfOrderPackets; // The number of stored packets with "inorder" flag set to false
@ -326,7 +350,7 @@ public: // TSBPD public functions
/// Set TimeStamp-Based Packet Delivery Rx Mode
/// @param [in] timebase localtime base (uSec) of packet time stamps including buffering delay
/// @param [in] wrap Is in wrapping period
/// @param [in] delay aggreed TsbPD delay
/// @param [in] delay agreed TsbPD delay
///
/// @return 0
void setTsbPdMode(const time_point& timebase, bool wrap, duration delay);
@ -344,6 +368,8 @@ public: // TSBPD public functions
time_point getTsbPdTimeBase(uint32_t usPktTimestamp) const;
void updateTsbPdTimeBase(uint32_t usPktTimestamp);
bool isTsbPd() const { return m_tsbpd.isEnabled(); }
/// Form a string of the current buffer fullness state.
/// number of packets acknowledged, TSBPD readiness, etc.
std::string strFullnessState(int iFirstUnackSeqNo, const time_point& tsNow) const;
@ -363,5 +389,4 @@ private: // Statistics
} // namespace srt
#endif // ENABLE_NEW_RCVBUFFER
#endif // INC_SRT_BUFFER_RCV_H